Home / 16,330.38-22,536.15-9,161.88

Finding the Fourth Proportional to 16,330.38, 22,536.15 and 9,161.88

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Solution

The fourth proportional to 16,330.38, 22,536.15 and 9,161.88 is: 12,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,330.38 : 22,536.15 = 9,161.88 : x
  2. Step 2: Convert to fraction form
    16,330.38/22,536.15 = 9,161.88/x
  3. Step 3: Cross multiply
    16,330.38x = 22,536.15 × 9,161.88
  4. Step 4: Simplify right side
    16,330.38x = 206,473,501.96
  5. Step 5: Solve for x
    x = 206,473,501.96/16,330.38
  6. Step 6: Final answer
    x = 12,643.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.